package net.minecraft.tileentity;

import io.netty.buffer.ByteBuf;
import net.minecraft.command.CommandResultStats;
import net.minecraft.command.server.CommandBlockLogic;
import net.minecraft.entity.Entity;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.network.Packet;
import net.minecraft.network.play.server.S35PacketUpdateTileEntity;
import net.minecraft.util.BlockPos;
import net.minecraft.util.Vec3;
import net.minecraft.world.World;

public class TileEntityCommandBlock extends TileEntity {
	private final CommandBlockLogic commandBlockLogic = new CommandBlockLogic() {
		public BlockPos getPosition() {
			return TileEntityCommandBlock.this.pos;
		}

		public Vec3 getPositionVector() {
			return new Vec3((double) TileEntityCommandBlock.this.pos.getX() + 0.5D,
					(double) TileEntityCommandBlock.this.pos.getY() + 0.5D,
					(double) TileEntityCommandBlock.this.pos.getZ() + 0.5D);
		}

		public World getEntityWorld() {
			return TileEntityCommandBlock.this.getWorld();
		}

		public void setCommand(String command) {
			super.setCommand(command);
			TileEntityCommandBlock.this.markDirty();
		}

		public void updateCommand() {
			TileEntityCommandBlock.this.getWorld().markBlockForUpdate(TileEntityCommandBlock.this.pos);
		}

		public int func_145751_f() {
			return 0;
		}

		public void func_145757_a(ByteBuf p_145757_1_) {
			p_145757_1_.writeInt(TileEntityCommandBlock.this.pos.getX());
			p_145757_1_.writeInt(TileEntityCommandBlock.this.pos.getY());
			p_145757_1_.writeInt(TileEntityCommandBlock.this.pos.getZ());
		}

		public Entity getCommandSenderEntity() {
			return null;
		}
	};

	public void writeToNBT(NBTTagCompound compound) {
		super.writeToNBT(compound);
		this.commandBlockLogic.writeDataToNBT(compound);
	}

	public void readFromNBT(NBTTagCompound compound) {
		super.readFromNBT(compound);
		this.commandBlockLogic.readDataFromNBT(compound);
	}

	/**
	 * Allows for a specialized description packet to be created. This is often used
	 * to sync tile entity data from the server to the client easily. For example
	 * this is used by signs to synchronise the text to be displayed.
	 */
	public Packet getDescriptionPacket() {
		NBTTagCompound nbttagcompound = new NBTTagCompound();
		this.writeToNBT(nbttagcompound);
		return new S35PacketUpdateTileEntity(this.pos, 2, nbttagcompound);
	}

	public boolean func_183000_F() {
		return true;
	}

	public CommandBlockLogic getCommandBlockLogic() {
		return this.commandBlockLogic;
	}

	public CommandResultStats getCommandResultStats() {
		return this.commandBlockLogic.getCommandResultStats();
	}
}
